JP6723017B2 - Foreign matter removal device - Google Patents

Description

The present invention relates to a foreign matter removing device that removes foreign matter adhering to the inner surface of a pipe member.

A wire brush is known as a device for removing foreign matters such as burrs generated on the inner surface of a metal tube member when perforating the peripheral surface thereof, and dusts and the like attached to the inner surface of the tube member in a form hanging from the peripheral edge of the hole. There is.
For example, when a wire rod such as an electric wire is inserted into the hole of the pipe member, foreign matter attached to the inner surface of the hole may damage the outer cover of the wire rod. Therefore, it is desirable to remove the foreign substance in advance. When a plurality of foreign substances are attached to the inner surface of the pipe member, the operator has to insert the wire brush through the opening at one end of the pipe member and directly apply the brush portions to the respective foreign substances to remove them. However, the work of applying a wire brush to each foreign substance to remove the foreign substance is a heavy burden on the operator.
On the other hand, there is known a polishing device in which a grinding brush (removing member) is attached to a rotary shaft and which polishes an inner surface of a tube member. The removing member attached to the rotary shaft is configured to be pressed toward the inner surface of the pipe member by utilizing the elastic force of a spring incorporated in the polishing apparatus (see, for example, Patent Document 1).

JP-A-7-276197

In the structure in which the spring is simply installed in the polishing device and the elastic member of the spring is used to press the removing member toward the inner surface of the pipe member, the moving distance of the removing member is short and the inner surface of the pipe member is contacted. It was necessary to select and use a polishing device having an appropriate size according to the inner diameter of the target pipe member. Further, since the spring supporting the removing member has a narrow operating range, it cannot be pressed properly against the inner surface of the pipe member due to bending due to resistance due to contact between the removing member and the inner surface of the pipe member. In some cases, there was variation in the accuracy of removing foreign matter.
In particular, the structure in which the removal member for removing foreign matter is reliably and stably pressed against the inner surface of the pipe member is, for example, the foreign matter attached to the inner surface of the taper pipe having a cross-sectional area that changes from one end to the other end. Is extremely important when removing.

Therefore, the present invention has been made in view of the above problems, and a foreign matter removing device capable of stably pressing the removing member against the inner surface of the pipe member even during rotation and movement along the axial direction of the pipe member. The purpose is to provide.

In order to solve the above problems, the present invention is a foreign matter removing device for removing foreign matter adhering to the inner surface of a pipe member, wherein the removing member removes the foreign matter, and at least the removing member is attached. Two mounting bodies, a support body disposed between the at least two mounting bodies, and supporting each of the mounting bodies on the side opposite to the side on which the removing member is mounted, and the mounting body on one end side. Between the attachment body and the support body, which is fixed to the body and is slidably held on the support body at the other end side, for connecting the attachment body and the support body to each other, and between the attachment body and the support body. And an elastic member elastically deformably supported by the connecting member.

Further, the attachment body has a fixing hole formed with a screw thread, the support body has an insertion hole through which the connecting member is slidably inserted, and the connecting member is provided on the one end side. It is preferable to have a thread portion formed and screwed into the thread of the fixing hole, and a stopper provided on the other end side and having an area of a surface facing the insertion hole larger than that of the insertion hole. ..

Further, it is preferable that the elastic member is a coil spring, and the connecting member is inserted inside the coil spring.

Further, it is preferable that a rotation driving body that rotates the support body with a direction orthogonal to the axial direction of the connecting member as a rotation axis is provided.

Further, it is preferable that each attachment body is connected to the support body at a position different from each other.

Further, it is preferable that the axes of the connecting members are on one plane.

Further, it is preferable that the pipe member is a tapered pipe that is tapered from one end to the other end.

According to the present invention, the removing member can be stably pressed against the inner surface of the pipe member even when the foreign matter removing device rotates or moves along the axial direction of the pipe member.

(A) is a front view of the foreign matter removing device, and (b) is a plan view of the same. It is a fragmentary sectional view for explaining an attachment object, a support object, a connecting member, and an elastic member of a foreign substance removal device. (A) is a plan view showing a state where the elastic member of the foreign matter removing device has a natural length, and (b) is a plan view showing a state where the elastic member is contracted. It is a figure explaining the state which the foreign substance removal apparatus in a taper tube expands-contracts.

A preferred embodiment of the present invention will be described with reference to the drawings. It should be noted that the embodiment described below is merely an example, and various embodiments can be taken within the scope of the present invention.

FIG. 1 is a schematic view of the foreign matter removing apparatus 100, FIG. 1A is a front view of the foreign matter removing apparatus 100, and FIG. 1B is a plan view of the foreign matter removing apparatus 100. FIG. 2 is a partial cross-sectional view for explaining the configurations of the attachment bodies 2 and 3, the support body 4, the connecting member 5, and the elastic member 6 included in the foreign matter removing apparatus 100.

<Foreign substance removing device>
The foreign matter removing device 100 penetrates in the radial direction of a metal pipe member used when constructing an electric pole, in particular, a tapered pipe TP (see FIG. 4) tapering from one end to the other end. This is an apparatus for removing foreign matter D (see FIG. 4) such as dust of the material of the pipe member attached to the inner surface of the tapered pipe TP, which is generated when the hole H is formed.
As shown in FIG. 1A, the foreign matter removing apparatus 100 supports a removing member 1 for removing the foreign matter D, two mounting bodies 2 and 3 to which the removing member 1 is mounted, and the mounting bodies 2 and 3. The supporting member 4, the mounting members 2, 3 and the connecting member 5 for connecting the supporting member 4, the elastic member 6 disposed between the mounting members 2, 3 and the supporting member 4, and the supporting member 4 are rotated. And a rotation driving body 7 for driving the rotation driving body.

(Removal member)
The removing member 1 is a part that comes into contact with the inner surface of the pipe member TP to remove the foreign matter D, and is attached to the attachment bodies 2 and 3 as shown in FIGS. 1(a) and 1(b). The removal member 1 may be attached to the attachment bodies 2 and 3 by, for example, bonding or fastening, but is not particularly limited.
The removing member 1 is a brush made of metal, for example, brass.

(Mounting body)
The mounting bodies 2 and 3 are formed in a plate shape having two main surfaces, as shown in FIGS. The removing member 1 is attached to the attachment bodies 2 and 3. The material of the mounting bodies 2 and 3 is not particularly limited, but is preferably steel material.
The mounting bodies 2 and 3 are arranged so that the support body 4 is sandwiched therebetween. That is, the mounting bodies 2 and 3 are on the opposite sides of 180° with the support body 4 interposed therebetween. The removing members 1 are attached to one main surface of the attachment bodies 2 and 3, and are connected to the support body 4 via a connecting member 5 on the other main surface. The mounting bodies 2 and 3 are movable so as to approach and separate from the support body 4, as indicated by a double-headed arrow in FIG. Further, the attachment bodies 2 and 3 rotate about the support body 4 as shown by an arrow in FIG. The mounting bodies 2 and 3 are connected to the support body 4 at different positions.

As shown in FIG. 2, the mounting body 2 has two holes 21 and 22 with screw threads. The holes 21 and 22 are formed so as to penetrate in the thickness direction of the mounting body 2. The holes 21 and 22 function as fixing holes for fixing one end of the connecting member 5.
As shown in FIG. 2, the mounting body 3 has two threaded holes 31 and 32. The holes 31 and 32 are formed so as to penetrate in the thickness direction of the attachment body 3. The holes 31 and 32 function as fixing holes for fixing one end of the connecting member 5.
The holes 21, 22, 31 and 32 of the mounting bodies 2 and 3 are the holes 21 of the mounting body 2, the holes 31 of the mounting body 3 and the mounting body 2 from the upper side in the longitudinal direction (height direction) of the foreign matter removing apparatus 100. The hole 22 and the hole 32 of the mounting body 3 are arranged in this order. The holes 21, 22, 31 and 32 of the mounting bodies 2 and 3 are formed so that their axes do not overlap each other, that is, they are not formed at the same height position in the height direction of the foreign matter removing apparatus 100. ..
The attachment bodies 2 and 3 have the same configuration, and when the foreign matter removing device 100 is assembled, the attachment bodies 2 and 3 are upside down and are supported by the support body 4 via the connecting member 5.

(Support)
The support body 4 is formed in a plate shape having two main surfaces, and supports the attachment bodies 2 and 3 from the surface on the side where the removal member 1 is not attached to the attachment bodies 2 and 3. The material of the support 4 is not particularly limited, but a steel material is preferable.
As shown in FIG. 1A, the support body 4 is coaxially connected to the rotary shaft of the rotary drive body 7 via a nut 41 provided at one end in the longitudinal direction (height direction) of the support body 4. , Fixed. The nut 41 is attached to the support body 4 by welding. That is, the support body 4 also rotates around the rotation axis as the rotation axis of the rotary drive body 7 rotates.

As shown in FIG. 2, the support 4 has four holes 42, 43, 44, 45 arranged in the height direction of the support 4. These holes 42, 43, 44, 45 are formed so as to penetrate in the thickness direction of the support body 4. The holes 42, 43, 44, 45 function as insertion holes into which the connecting member 5 is slidably inserted.
In a state where the support 4 and the mounting bodies 2 and 3 are connected by the connecting member 5, the hole 42 of the support 4 is the hole 21 of the mounting body 2, the hole 43 of the support 4 is the hole 31 of the mounting body 3, The hole 44 of the support body 4 faces the hole 22 of the mounting body 2, and the hole 45 of the support body 4 faces the hole 32 of the mounting body 3, respectively.

(Connecting member)
The connection member 5 connects the attachment bodies 2 and 3 and the support body 4 to each other, and is formed as, for example, a steel bolt. The connecting member 5 has its tip passed through the holes 42, 43, 44, 45 formed in the support body 4, and is inserted and fixed in the holes 21, 22, 31, 32 formed in the mounting bodies 2, 3. Has been done. That is, the axis of each connecting member 5 is on one plane.
As shown in FIG. 2, one end of the shaft portion 51 of the connecting member 5 has a screw thread portion 51a formed with a screw thread, and the other end of the shaft portion 51 and the holes 42, 43, 44 of the support body 4, A head portion 51b whose surface area facing 45 is larger than that of the holes 42, 43, 44, 45 is provided. The head part 51b is formed in a circular shape in plan view or a hexagonal shape in plan view, and when the connecting member 5 is inserted into the holes 42, 43, 44, 45, the head part 51b is inserted into the holes 42, 43, 44. , 45 are formed so as to completely cover them. That is, the head 51b functions as a stopper that prevents the connecting member 5 from falling off the support 4. That is, the movement of the attachment bodies 2 and 3 in the direction away from the support body 4 is limited within a predetermined range by the head portion 51 b of the connecting member 5. The shaft portion 51 of the connecting member 5 is slidably held in the holes 42, 43, 44, 45 of the support body 4.
The connecting member 5 is fixed to the mounting bodies 2 and 3 by screwing it into the threaded holes 21, 22, 31 and 32 of the mounting bodies 2 and 3 at the threaded portion 51a.

(Elastic member)
The elastic member 6 is arranged between the mounting bodies 2 and 3 and the support body 4, and is provided concentrically with the shaft portion 51 of the connecting member 5. The elastic member 6 is, for example, a coil spring, but is not particularly limited as long as it is a member that expands and contracts by elastic deformation.
One end of the elastic member 6 is in contact with the main surface of the mounting bodies 2 and 3 facing the support body 4, respectively, and the other end is in contact with the main surface of the support body 4 facing the mounting bodies 2 and 3, respectively. .. The elastic member 6 is provided on the shaft portion 51b in a natural length state. That is, the elastic member 6 has a function of keeping the distance between the mounting bodies 2 and 3 and the support body 4 substantially equal to the natural length of the elastic member 6 when no external force is applied.

(Rotation driver)
The rotation driving body 7 rotates the support body 4 by the rotation driving force with the direction orthogonal to the axial direction of the connecting member 5 as the rotation axis. As the rotary drive body 7, for example, a known motor or the like can be used.
The rotary drive body 7 has a rotary shaft (not shown) connected to the support body 4 via a nut 41 of the support body 4. The rotary driver 7 may be attached to a long hand-held member (not shown).

<Operation of foreign matter removing device>
Next, the operation of the foreign matter removing apparatus 100 will be described with reference to FIG.
FIG. 3 is a diagram for explaining the operation of the foreign matter removing device 100, FIG. 3( a) is a diagram showing a state where the elastic member 6 of the foreign substance removing device 100 is in a natural length, and FIG. 3( b) is It is a figure which shows the state which the elastic member 6 of the foreign material removal apparatus 100 contracted most.

The state of the foreign matter removing device 100 shown in FIG. 3A is in a state where no force is applied from the outside of the foreign matter removing device 100 to the attachment bodies 2 and 3, specifically, the removing member 1 toward the support body 4. Yes, specifically, the state before being inserted into the pipe member. In this state, the gap between the two removing members 1 in the foreign matter removing apparatus 100 is the largest.
In the state shown in FIG. 3A, the head portion 51 b of the connecting member 5 fixed to the mounting body 2 is in contact with the support body 4 on the side opposite to the side facing the mounting body 2 and the mounting body 3 Since the head portion 51b of the connecting member 5 fixed to the contact member abuts the support body 4 on the side opposite to the side facing the attachment body 3, the detachment of the attachment bodies 2 and 3 from the support body 4 is restricted. ing.

In the state of the foreign matter removing device 100 shown in FIG. 3B, a force P (indicated by an arrow) from the outside of the foreign matter removing device 100 to the mounting bodies 2 and 3, specifically, the removing member 1 toward the support body 4 is applied. The elastic member 6 of the foreign matter removing apparatus 100 is in the most contracted state.
In the state shown in FIG. 3B, the force P is larger than the restoring force of the elastic member 6, and the mounting bodies 2 and 3 move toward the support body 4 against the restoring force of the elastic member 6. This movement is possible by the connecting member 5 sliding on the shafts 51 through the holes 42 to 45 of the support body 4. The relative movement of the attachment bodies 2 and 3 with respect to the support body 4 continues at maximum until the head portion 51b of the connecting member 5 comes into contact with the attachment bodies 2 and 3 depending on the magnitude of the force P.

<Action and effect>
According to the foreign matter removing apparatus 100 having the above-described configuration, the foreign matter removing apparatus 100 can change the interval between the removing members 1 by elastically deforming the elastic member 6, so that the inside of the pipe member is more likely to be located than the inlet of the pipe member. In the foreign matter removing device 100 that has been shrunk into a small size and inserted, the mounting members 2 and 3 are reliably pressed against the inner surface of the pipe member with a constant pressing force by the restoring force of the elastic member 6 inside the pipe member.

As shown in FIG. 4, when the foreign matter removing device 100 is used in a tapered tube TP whose cross-sectional area changes along the axial direction in particular, the foreign matter removing device 100 has a space between the mounting bodies 2 and 3 and the connecting member 5. Can be largely changed by using the restoring force of the elastic member 6, which is a great advantage in the foreign matter removing operation. That is, the foreign matter removing apparatus 100 moves the mounting bodies 2 and 3 in accordance with the changing cross-sectional area of the taper pipe TP while moving in the axial direction of the taper pipe TP (from the side having a small diameter to the side having a large diameter). Since it can be pushed toward the inner surface with a constant pressing force of TP, it is extremely advantageous in removing the foreign matter D adhering to the inner surface of the tapered tube TP.
Specifically, when moving from the position of the foreign substance removing device 100 depicted on the left side in FIG. 4 to the position of the foreign substance removing device 100 depicted on the right side, the removing member 1 and the mounting body 2 of the foreign substance removing device 100 are moved. 3, a restoring force in the radial direction of the taper tube TP of the elastic member 6 pressed against the inner surface of the taper tube TP, a force in a direction (left direction) opposite to the moving direction (right direction) of the foreign matter removing apparatus 100, and When the foreign matter removing device 100 rotates, a force acts in the circumferential direction.
However, since the elastic member 6 is provided concentrically with the connecting member 5, the operator of the foreign matter removing device 100 may rotate the foreign matter removing device 100 or move it in the axial direction of the pipe member. However, the elastic member 6 can maintain the initial posture except elastic deformation. Therefore, undesired deformation of the elastic member 6 due to the rotation or movement of the foreign matter removing apparatus 100 is completely eliminated, and the removing member 1 can be kept pressed against the inner surface of the pipe member with a constant pressing force. ..

Further, since the connecting member 5 is fixed to the holes 21, 22, 31, 32 provided with the screw threads of the mounting bodies 2 and 3 via the screw thread 51a, it is possible to loosen the connecting member 5 with a predetermined tool. The maximum distance between the attachment bodies 2 and 3 and the support body 4 can be easily adjusted in the expanding direction in accordance with the cross-sectional area of the tapered tube TP.

Further, since the support body 4 is coaxially connected to the rotation shaft of the rotary drive body 7, the removing member 1 and the mounting bodies 2 and 3 rotate about the support body 4 as shown in FIG. .. Due to this rotation, a centrifugal force acts on the removing member and the mounting bodies 2 and 3 in the direction away from the support body 4, that is, toward the inner surface of the taper tube TP, so that the pressing force of the mounting bodies 2 and 3 increases. Accordingly, even if the foreign matter D is attached to various positions on the inner surface of the taper tube TP in the circumferential direction, the foreign matter removing apparatus 100 can be moved back and forth along the axial direction of the taper tube TP. The foreign matter D can be easily removed. That is, the foreign matter D existing along the inner circumferential direction of the pipe member can be removed at once by rotating the support body 4 without having to remove the foreign matter D by applying the removing member 1 to each of the places where the foreign matter D is generated. ..

<Other>
The support 4 may be directly fixed to the long hand-held member.

DESCRIPTION OF SYMBOLS 1 Removal member 2 Attachment body 3 Attachment body 4 Support body 5 Connection member 6 Elastic member 7 Rotation drive bodies 21, 22, 31, 32 Fixing holes 42, 43, 44, 45 Insertion hole 51 Shaft part 51a Screw thread part 51b Stopper 100 Foreign matter removing device D Foreign matter TP Tapered tube

Claims (6)

A foreign matter removing device for removing foreign matter adhering to the inner surface of a pipe member,
A removing member for removing the foreign matter;
At least two mounting bodies to which the removing member is mounted;
A support body disposed between the at least two mounting bodies to support each of the mounting bodies on the side opposite to the side on which the removing member is mounted;
A plurality of connecting members that are fixed to the mounting body at one end side and are slidably held by the supporting body at the other end side, and that connect the supporting body and the mounting body to each other,
An elastic member elastically deformably supported by the connecting member between the attachment body and the support body,
Equipped with
The mounting body is provided to face each other on opposite sides of the support body ,
Each of the mounting bodies has two fixing holes formed with a screw thread,
The support body has four insertion holes, through which the connecting member is slidably inserted, arranged in a straight line,
The connecting members of the attachment body, which are different from each other, are inserted through the four insertion holes,
The connecting member is formed at the one end side, and has a thread portion screwed into the screw thread of the fixing hole and the other end side, and an area of a surface facing the insertion hole is larger than that of the insertion hole. A foreign matter removing device having a large stopper . The foreign matter removing device according to claim 1, wherein the elastic member is a coil spring, and the connecting member is inserted inside the coil spring. A rotary drive body that rotates the support body around a rotation axis in a direction orthogonal to the axial direction of the connecting member, and the support body is coaxially connected to a rotation axis of the rotation drive body. The foreign matter removing device according to claim 1 or 2 . The foreign matter removing device according to any one of claims 1 to 3 , wherein each attachment body is connected to the support body at a position different from each other. The foreign matter removing device according to any one of claims 1 to 4 , wherein the axis of each connecting member is on one plane. The foreign matter removing device according to any one of claims 1 to 5 , wherein the pipe member is a taper pipe which is tapered from one end to the other end.

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